Home / 7,779,498.60-11,663,999.10-4,136,831.40

Finding the Fourth Proportional to 7,779,498.60, 11,663,999.10 and 4,136,831.40

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Solution

The fourth proportional to 7,779,498.60, 11,663,999.10 and 4,136,831.40 is: 6,202,455.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779,498.60 : 11,663,999.10 = 4,136,831.40 : x
  2. Step 2: Convert to fraction form
    7,779,498.60/11,663,999.10 = 4,136,831.40/x
  3. Step 3: Cross multiply
    7,779,498.60x = 11,663,999.10 × 4,136,831.40
  4. Step 4: Simplify right side
    7,779,498.60x = 48,251,997,726,451.73
  5. Step 5: Solve for x
    x = 48,251,997,726,451.73/7,779,498.60
  6. Step 6: Final answer
    x = 6,202,455.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.